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Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6562453303

Certificate GIA 6562453303

Diamond specifications and retailer prices

From $3,257 SGD
As of November 6, 2026
Save $3,480 SGD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,037 SGD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562453303. Listed at 18 retailers as of November 4, 2026, with a 107% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562453303
Dimensions6.52 × 6.47 × 4.00 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.52 mm6.47 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562453303
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,037 SGD|Low: $3,257 SGD|High: $7,699 SGD|Avg: $4,428 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 9$3,257 SGD
Retailer 7$3,617 SGD
Retailer 5$3,621 SGD
Retailer 8$3,674 SGD
Retailer 10$3,728 SGD
Retailer 2$3,865 SGD
Retailer 3$4,040 SGD
Retailer 14$4,156 SGD
Retailer 18$4,195 SGD
Retailer 17$4,292 SGD
Retailer 13$4,406 SGD
Retailer 6$4,519 SGD
Retailer 16$4,634 SGD
Retailer 11$4,638 SGD
Retailer 4$4,661 SGD
Retailer 12$4,930 SGD
Retailer 15$6,736 SGD
NZ Jewellers$7,037 SGD

26 data points across 18 retailers

18 retailers$3,257 SGD to $6,736 SGD

A
Cheapest Retailer
-
$3,257 SGD
A
Retailer 2
-
$3,617 SGD
View
A
Retailer 3
-
$3,621 SGD
View
A
Retailer 4
-
$3,674 SGD
View
B+
Retailer 5
-
$3,728 SGD
View
Final sale: no returns
A
Retailer 6
-
$3,865 SGD
View
Retailer 7
-
$4,040 SGD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$4,156 SGD
View
Retailer 9
-
$4,195 SGD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$4,292 SGD
View
B+
Retailer 11
-
$4,406 SGD
View
B+
Retailer 12
-
$4,519 SGD
View
B+
Retailer 13
-
$4,634 SGD
View
B+
Retailer 14
-
$4,638 SGD
View
Retailer 15
-
$4,661 SGD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$4,930 SGD
View
B
Retailer 17
-
$6,736 SGD
View
Most Expensive
NZ Jewellers
f19ef100-26c7-4cd5-b84d-7b28f8117454 · Oct 23
$7,037 SGD
$5,491 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from $3,257 SGDSave up to $3,480 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.05ct Round
$3,257 SGD